CVE-2019-19869 : Exploit Details and Defense Strategies

A vulnerability was found in B&R Industrial Automation APROL prior to R4.2 V7.08, allowing non-encrypted modifications to PVs via the IosHttp service and the JSON interface.

Understanding CVE-2019-19869

This CVE identifies a security issue in B&R Industrial Automation APROL software.

What is CVE-2019-19869?

CVE-2019-19869 is a vulnerability in B&R Industrial Automation APROL before R4.2 V7.08, enabling unauthorized non-encrypted changes to PVs through specific services.

The Impact of CVE-2019-19869

The vulnerability could lead to unauthorized modifications to PVs, potentially compromising the integrity and confidentiality of data within the affected systems.

Technical Details of CVE-2019-19869

This section provides detailed technical information about the CVE.

Vulnerability Description

The issue in B&R Industrial Automation APROL allows for non-encrypted modifications to PVs via the IosHttp service and the JSON interface.

Affected Systems and Versions

Product: B&R Industrial Automation APROL
Versions affected: Prior to R4.2 V7.08

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by leveraging the IosHttp service and the JSON interface to make non-encrypted modifications to PVs.

Mitigation and Prevention

Protecting systems from CVE-2019-19869 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to the latest version of B&R Industrial Automation APROL to mitigate the vulnerability.
Restrict network access to critical systems to prevent unauthorized exploitation.

Long-Term Security Practices

Regularly monitor and audit system logs for any suspicious activities.
Implement strong encryption mechanisms for sensitive data to prevent unauthorized access.

Patching and Updates

Apply security patches and updates provided by B&R Industrial Automation to address the vulnerability effectively.